220200202221121 has 4 divisors (see below), whose sum is σ = 220260382657200. Its totient is φ = 220140021785044.

The previous prime is 220200202221061. The next prime is 220200202221163. The reversal of 220200202221121 is 121122202002022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220200202221121 - 2²⁷ = 220200068003393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220200202261121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30090212551 + ... + 30090219868.

It is an arithmetic number, because the mean of its divisors is an integer number (55065095664300).

Almost surely, 2^{220200202221121} is an apocalyptic number.

It is an amenable number.

220200202221121 is a deficient number, since it is larger than the sum of its proper divisors (60180436079).

220200202221121 is an equidigital number, since it uses as much as digits as its factorization.

220200202221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60180436078.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220200202221121 its reverse (121122202002022), we get a palindrome (341322404223143).

The spelling of 220200202221121 in words is "two hundred twenty trillion, two hundred billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-one".